## Class 12 Mathematics-Tips on Relations and Functions

Unlock academic excellence in Mathematics by joining my personalized online classes.

â€‹

â€‹

â€‹

â€‹

Here are Tips in Mathematics which will give you an exact idea of the topics that you should prepare for in Relations and Functions-Class 12 Maths NCERT. This is keeping in mind the changes prescribed by the NCERT board for the academic year 2023-24. To start with, you need to know that 2 chapters, namely , Relations and Functions and Inverse Trigonometric Functions comprise this topic.

â€‹

â€‹

â€‹

What is a Relation

The 3 basic examples of a Relation namely, the Universal Relation, Empty Relation and Identity Relation.

Types of Relations:Reflexive, Symmetric and Transitive

Equivalence Relations and Equivalence Classes

â€‹

â€‹

â€‹

Functions

Types of functions- Injective and Surjective

Bijective functions

## â€‹

MCQ Question on number of Surjective Functions from a finite set A to a finite set B

In this context, you need to know a few important points such as:

Number of bijective functions from a finite set A to a finite set B.

Number of injective and surjective functions from a finite set A to a finite set B.

â€‹

â€‹

â€‹

How to find the number of relations and functions from a set A to a set B.

Calculate the equivalence relations on a set containing 2 or 3 elements.

â€‹

â€‹

There are a number of free resources below in the form of Youtube videos and multiple choice questions, I encourage you to utilise these resources to the best of your ability.

â€‹

â€‹

MCQ Questions in Relations and Functions-Guarantee your Success

â€‹

You can contact me for online tutoring . You can choose between one to one coaching or group tutoring.

If you want to keep your cost low, you could form groups of 5 or 10 and sign up. Motivating you to learn Mathematics!